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Search: Posts Made By: i4004
Forum: General Computer Discussion 11-19-2018, 04:13 PM
Replies: 19
Views: 805
Posted By i4004
Re: BCN's Russian Ties! Supermicro P6DGS Build

win2k may support it somewhere, sometime, but xp supports it better, given that it works ok on xp on same 2007 mobo.
(and now you'll say that's too new for 2k to support? <wink>)

as for who...
Forum: General Computer Discussion 11-13-2018, 01:51 PM
Replies: 19
Views: 805
Posted By i4004
Re: BCN's Russian Ties! Supermicro P6DGS Build

2k not having a sleep (ie s3 stby) was a deal-breaker for me.
Forum: Troubleshooting TVs and Video Sources 11-06-2018, 03:16 PM
Replies: 18
Views: 429
Posted By i4004
Re: Any good resources on Sony TVs ?

yeap, that's the state of consumer electronics repair today.
you ask in the forum instead of asking sony.
(and i don't think real author. centers are any different)

i wonder, does even sony have...
Forum: General Computer Discussion 11-06-2018, 01:15 PM
Replies: 19
Views: 805
Posted By i4004
Re: BCN's Russian Ties! Supermicro P6DGS Build

that's a solid OS you got there, rock-solid.
Forum: General Capacitor Questions & Issues 11-06-2018, 01:12 PM
Replies: 49
Views: 1,286
Posted By i4004
Re: I Don't Understand

offcourse you did, there were no semiconductors on the top side, so nothing to rectify mains ac etc.

that small smps pos(like "cheap chinese piece of shit") has no power and that's why it starts...
Forum: General Computer Discussion 01-21-2018, 02:30 PM
Replies: 256
Views: 8,834
Posted By i4004
Re: Some serious security bug in INTEL CPUs?? Since Westmere possibly

stj, ^^ wow!
where was that written, i hear today fb takes accounts offline for much less! :)

this is overblown, just as most stories these days (politics becomes gossip rather quickly, science...
Forum: General Electronics Technical Discussion 09-28-2014, 03:53 PM
Replies: 53
Views: 5,646
Posted By i4004
Re: To overload or not to overload?

https://www.youtube.com/watch?feature=player_detailpage&v=Edel3eduRj4#t=1913
(wouldn't hurt to watch complete video either! <wink>
and now the thread has mikeselectricstuff and dave jones videos,...
Forum: General Computer Discussion 09-28-2014, 11:29 AM
Replies: 133
Views: 18,720
Posted By i4004
Re: Supermicro curse strikes again

clever (russian?) girl, she knows such a big iron makes no sense, so she's trying to make a pencil out of it!
<wink>
Forum: Troubleshooting Power Supplies and Power Supply Design 09-28-2014, 10:46 AM
Replies: 23
Views: 3,310
Posted By i4004
Re: Repairing PSU's for Resale: Is it Worth the Time & Hassle?

if so, wear protective gear on our eyes especially, chinese cheapos like to blow!
hehe...

and be aware you're working with mains voltage on primary side. get (or make) a tool to discharge mains...
Forum: General Electronics Technical Discussion 09-28-2014, 10:35 AM
Replies: 53
Views: 5,646
Posted By i4004
Re: To overload or not to overload?

(dunno if this was the most recent place you discussed this subject, but anyway...)

did any of you measure impedance of mobo on 5 and 12V rails vs. impedance of those resistors?

i feel...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-28-2014, 09:36 AM
Replies: 23
Views: 3,310
Posted By i4004
Re: Repairing PSU's for Resale: Is it Worth the Time & Hassle?

no, new cheap chinese psus are just too cheap.
in that sense they're all more trouble than they're worth.

and people will prefer new chinese crap to decent used unit, and you don't have decent...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-01-2014, 08:13 AM
Replies: 43
Views: 9,846
Posted By i4004
Re: The whole Two Transistor Thing

rievax, i think both everell and i are way passed the basics stage and working principles of smps are mainly absorbed....it's just that chinese make these things in a wrong way, removing all...
Forum: Troubleshooting Power Supplies and Power Supply Design 08-31-2014, 10:11 PM
Replies: 43
Views: 9,846
Posted By i4004
Re: The whole Two Transistor Thing

just about the only thing i figured out about 2tr +5vstb circuit is that no voltage on optocoupler (secondary side) means 2 transistors on primary side will blow...on first one i just forgot to put...
Forum: Troubleshooting TVs and Video Sources 06-25-2013, 09:41 AM
Replies: 0
Views: 1,362
Posted By i4004
Grundig Vision 3 26-3942T/C lcd tv dead

FSP139-3F01 smps power supply, and it got me stumped.
fuse was blowing, found the diode bridge with one shorted diode, but even with bridge out, the circuit doesn't really act like a typical smps,...
Forum: Troubleshooting Power Supplies and Power Supply Design 01-17-2010, 12:53 PM
Replies: 8
Views: 4,385
Posted By i4004
Re: Handy power supply tester

>I was surprised at the lack of interest in this handy ATX power supply tester.

not many deal with as many psus as you, and when they do, they can use meter(s)...

but it's a good thing, and i...
Forum: General Capacitor Questions & Issues 01-16-2010, 08:44 AM
Replies: 18
Views: 3,388
Posted By i4004
Re: Help and Isotope out

>cause I don't exactly have the circuit design from Asus, so I can't just guess

if it boots at all, you could measure the voltage on those caps...then you'll know.
if it doesn't boot, turning it...
Forum: General Capacitor Questions & Issues 01-15-2010, 11:36 PM
Replies: 18
Views: 3,388
Posted By i4004
Re: Help and Isotope out

>they're 680uf 4v

i know they are, but vrm is probably working on less than 4v voltage ergo 2.5v perhaps would fit...
and capacitance a bit up or down won't change much.

offcourse if you can...
Forum: General Capacitor Questions & Issues 01-15-2010, 09:49 PM
Replies: 18
Views: 3,388
Posted By i4004
Re: Help and Isotope out

what a weird looking thing, it looks like it's coming from 70s...

that chemicon kzg looks bulged to(?)

as for polymers...
perhaps...
Forum: Major Manufacturers Boards 01-15-2010, 08:03 PM
Replies: 34
Views: 12,136
Posted By i4004
Re: A Lesson In How To Recap Profesionally.

yes, soldering guides and videos seem to have eluded our "master solderer"..heh...
Forum: Major Manufacturers Boards 01-15-2010, 11:30 AM
Replies: 34
Views: 12,136
Posted By i4004
Re: A Lesson In How To Recap Profesionally.

i thought he would remove the caps once he saw he..hehm..destroyed it...
then try again with those caps on next board...
<wink>

those prices are pretty high for non-functioning gear(no matter...
Forum: Major Manufacturers Boards 01-15-2010, 09:29 AM
Replies: 34
Views: 12,136
Posted By i4004
Re: A Lesson In How To Recap Profesionally.

ok, but you didn't say does it work?

and what was the price?
Forum: Equipment Usage, Soldering, Techniques, and Reviews 01-14-2010, 03:32 PM
Replies: 29
Views: 5,659
Posted By i4004
Re: "f6" "f7" blue esr issue

http://en.wikipedia.org/wiki/Electronic_color_code#Resistor.2C_capacitor_and_inductor
and you have a nice color-coded table a bit below there...
Forum: Troubleshooting Power Supplies and Power Supply Design 01-13-2010, 04:57 PM
Replies: 69
Views: 23,736
Posted By i4004
Re: Bestec ATX250-12E up and running!

>When the computer is turned off, a transistor switches power from the pwm chip to a 1000 ohm resistor. It serves only as a heat generating load.

they need that to accelerate demise of +5vstby...
Forum: General Computer Discussion 01-12-2010, 11:21 AM
Replies: 35
Views: 5,969
Posted By i4004
Re: The longest you've ever used a single system?

recently had a scare with cheap external tray and that very hdd.
power lamp on, hdd won't spin. probably a poor sata power connection(because it's cheap and crappy chinese tray).
hdd works in pc...
Forum: General Computer Discussion 01-11-2010, 08:51 PM
Replies: 35
Views: 5,969
Posted By i4004
Re: The longest you've ever used a single system?

>I have replaced more roms then all other parts combined in my computers over the years..

ram?
cd-rom?

>It's gone from a Maxtor 250 GB PATA to a WD 500 GB Sata (died)

caviar blue wd500...
Showing results 1 to 25 of 500

 
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